Well this little guys can actually get to be a decent size in a good size tank. Recomended tank size is about 30 gallons. They are usually peaceful fish They are reef safe Max size 3" They are omnivores so they will eat meaty foods or sometime algae flakes or seaweed. They are from indonesia.
These fish are commonly seen in the reef hobby. Their colors are very pretty in the right light changing from green to blue to in between. They are usually peaceful an like to swim in schools, so more than one it recomended. They actively swim around the tank which will sometimes make a shy fish feel more at ease in your tank. These fish can live up to 15 years givin the right water quality of course.